江苏省大丰市万盈二中七年级英语下册《Unit 4 Amazing Grammar 1》课件 牛津版.ppt

英语课件 牛津版七年级 7b unit4 unit4 grammar twoperiods talkaboutyourpreferencesofsomeactivities simplepasttense 一般过去时 grammar simplepasttense 一般过去时 weusethesimplepasttensetotalkaboutthingsinthepast 我们用一般过去时谈论发生在过去的事情 一 什么情况下使用一般过去时 went是go在一般进去时中所用的动词形式 是go的过去式 lastsundaymorning millieandamywenttosunshinepark 上星期日早晨 米莉和艾米去了阳光公园 yesterdaymorning theywentthereagain 昨天早晨 他们又去了那 2 weformthesimplepasttensebyadding ed toregularverbs 我们通过在规则动词末尾加ed的方式构成一般过去时 提示 一般过去时常与表示过去的时间状语连 如 yesterday lastnight amonthago yesterdayafternoon lastweek tenyearsago 二 规则动词过去式的构成方法 提示 以元音字母 y结尾的动词按第一条规则 即 ed 如 stay stayed want talk like worry try stop wanted talked liked worried tried stopped 写出下列动词的过去式 completeparta1inwriting 1search 2kick 3start 4answer 5love 6use 7play 8carry 9chat chatted searched kicked started answered used played carried loved 三 不规则动词的过去式不是加ed构成的 需要我们记住它们 不规则动词的过去式归纳起来有这样几种类型 见下表 completeparta2inwriting 1went2got3gave4found5spent6saw7had 不规则动词表 infinitivepasttenseamiswasarewerebeginbeganbreakbrokebringbroughtbuildbuiltbuyboughtcancould infinitivepasttensecatchcaughtcomecamedodiddrawdrewdrinkdrankdrivedroveeatatefallfell 肯定句 主语 谓语动词过去式 heheardawhisper theywenttotheparkagainlastsunday 四 谓语动词为实义动词的一般过去时的句子结构 2 否定句 主语 didn t 谓语动原形 ididn tgototheparkyesterdaymorning hedidn thearawhisper theydidn tfindanythinginthebushes 3 一般疑问句 did 主语 谓语动原形 yes 代词 did no 代词 didn t didyougototheparkyesterdaymorning yes idid didhehearawhisper no hedidn t completethesentences usethesimplepasttenseoftheverbsinbrackets 1 jordan play basketball he notplay football 2 i go swimminglastsunday buti notgo shopping played didn tplay went didn tgo 12 3 mycousins enjoy computergameslastyear butthey notenjoy ballgames 4 you like fishinthepast yes buthe notlike fish enjoyed didn tenjoy like didn tlike did completeparta3inwriting 1did2go3did4didn t5did6see7saw8died9did10see11did12tell13gave14did15take16didn t 五 含有be动词的一般过去时 am is wasare were 肯定句 主语 was were i he she itwasathomeyesterday you we theywereathomeyesterday 2 否定句 主语 wasnot wasn t werenot weren t i he she itwasn tathomeyesterday you we theyweren tathomeyesterday 3 一般疑问句 主语 wasnot wasn t werenot weren t wasi he she itathomeyesterday yes i he shewas no i he shewasn t wereyou we theyathomeyesterday yes you we theywere no you we theyweren t dinosaurs notbe firstanimalsonearth 2 there be hundredsofdifferentkindsofdinosaurs 3 he go sunshinetownlastyear 用所给动词的适当形式填空 weren t were went 4 you buy anysouvenirsyesterday 5 dinosaurs noteat grass 6 be heathomelastsunday 7 allanimals have fourlegs 8 oneofstudents enjoy listeningtoghoststorieswhenhewasaboy did buy doesn teat was have enjoyed completepartb1onpage68 partb2onpage69 一 什么情况下使用一般过去时二 规则动词